<?php
class UserProfilesController extends Controller
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout = '/layouts/triple_sidebar';

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
			'postOnly + delete', // we only allow deletion via POST request
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules()
	{
		return array(
			array('allow',  // allow all users to perform 'index' and 'view' actions
				'actions'=>array('index','view','create','update','admin','delete', 'getbygroups'),
				'roles'=>array('teacher'),
				'users'=>array('*'),
			),
			/*array('allow', // allow authenticated user to perform 'create' and 'update' actions
				'actions'=>array('create','update'),
				'users'=>array('@'),
			),
			array('allow', // allow admin user to perform 'admin' and 'delete' actions
				'actions'=>array('admin','delete'),
				'users'=>array('admin'),
			),*/
			array('deny',  // deny all users
				'users'=>array('*'),
			),
		);
	}

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
		$model_user = Users::model()->findbyPk($id);
		$this->render('view',array(
			'model'=>$this->loadModel($id),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	 
	 // mail(to, subject, message, header);
	 /**
	 header = 'MIME-Version: 1.0' . '\r\n';
	 header = 'Content-type: text/html; charset=iso-8859-1' . '\r\n';
	 */
	public function actionCreate()
	{
		$model=new UserProfiles;
		$model1=new Users;
		$model2=new Authassignment;

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['UserProfiles']))
		{
			$model->attributes=$_POST['UserProfiles'];
			$model->DateCreated = date_create()->format('Y-m-d H:i:s');
			$model->users_id = $this->createUser($model->emails, $model->first_name.$model->last_name, $model->roles_id, $model->group_id);
			$this->createAssignment($model->users_id, $model->roles_id);
			$t_email = $model->emails;
			$t_f_name = $model->first_name;
			$t_l_name = $model->last_name;
			if($model->save()){
				if($this->sendMailNotification($t_email, $t_f_name, $t_l_name))
					$this->redirect(array('index'));
				}
				
		}

		$this->render('create',array(
			'model'=>$model,
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['UserProfiles']))
		{
			$model->attributes=$_POST['UserProfiles'];
			if($model->save())
				$this->redirect(array('view','id'=>$model->users_id));
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		Authassignment::model()->deleteAllByAttributes(array('userid'=>$id));
		UserProfiles::model()->deleteAllByAttributes(array('users_id'=>$id));
		Users::model()->deleteAllByAttributes(array('id'=>$id));
		
		// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
		if(!isset($_GET['ajax']))
			$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new CActiveDataProvider('UserProfiles', array(
			'criteria'=>array(
				'order'=>'users_id DESC',
			)));
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new UserProfiles('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['UserProfiles']))
			$model->attributes=$_GET['UserProfiles'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer $id the ID of the model to be loaded
	 * @return UserProfiles the loaded model
	 * @throws CHttpException
	 */
	public function loadModel($id)
	{
		$model=UserProfiles::model()->findByAttributes(array('users_id'=>$id));
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param UserProfiles $model the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='user-profiles-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
	
	public function createUser($username, $pass, $roleid, $groupid){
			$model = new Users;
			$model->username = $username;
			$model->password = crypt($pass, 'salt');
			$model->DateCreated = date_create()->format('Y-m-d H:i:s');
			$model->roles_id = $roleid;
			$model->group_id = $groupid;
			if($model->save()){
					return Users::model()->findByAttributes(array('username'=>$username))->id;
				}
			else{
					throw new CHttpException(404,'It did not work.');
				}
		}
		
	public function createAssignment($userid, $rolesid){
			$model = new Authassignment;
			$model->itemname = Roles::model()->findByAttributes(array('id'=>$rolesid))->description;
			$model->userid = $userid;
			$model->data = 'N;';
			if($model->save()){
					return true;
				}
			else{
					throw new CHttpException(404,'It did not work.');
				}
		}
		
	public function sendMailNotification($st_email, $st_name, $st_surname){
			$header = 'MIME-Version: 1.0' . '\r\n';
			$header = 'Content-type: text/html; charset=iso-8859-1' . '\r\n';
			$subject = 'Welcome to Distance Learning';
			$message = '<html> <header><h3>Welcome to the Distance Learning</h3><header><br/><body> Your login: ' .$st_email. '<br/>' . 'Your password: ' . $st_name . $st_surname. '</body></html>';
			mail($st_email, $subject, $message, $header);
			
			return true;
		}
		
		
	public function hasGroup($title){
			$hasGroup = Group::model()->findByAttributes(array('groupname'=>$title));
			if($hasGroup === null){
				 return false;
				}
			else{
				return true;
				}
		}
		
	public function getGroup($title){
			return Group::model()->findByAttributes(array('groupname'=>$title))->id;
		}
		
	public function actionGetByGroups(){
			$model = new Files;
			$file_name = null; $location = '';
			if(isset($_POST['Files'])){
					$file = CUploadedFile::getInstance($model, 'document');
					if($file !== null){
							$file_name = "{$file}";
							$location = Yii::app()->basePath . '/modules/teacher/files/student_lists/' . $file_name;
						}
					$file->saveAs($location);
				}
				$this->render('getbygroups', array(
					'model'=>$model,
					'file_name'=>$file_name,
				));
		}
}
